///////////////////////////////////
void jingdu() {
	int all_block_num = 50;
	for (int i = 0; i<all_block_num; i++) {
		if (i<all_block_num-1) {
			printf("\r准备中[%.2lf%%]:", i*100.0 / (all_block_num - 1));
		} else {
			printf("\r准备完成[%.2lf%%]:", i*100.0 / (all_block_num - 1));
		}
		int show_num = i * 50 / all_block_num;
		cout << '[';
		for (int j = 1; j <= show_num; j++) {
			cout << "*";
			Sleep(0.99);
		}
		for(int j=1; j<=all_block_num-show_num; j++) {
			cout << " ";
		}
		cout << ']';
	}
	cout << endl;
	clean_cmd();
}
//////////////////////////////////
void view_this_cmd_informations() {
	cout << endl;
	system("cls");
	cout << "linlin1195 linOS 95 [20H2]" << endl;
	cout << "(c) 2024-7-30 linlin1195" << endl;
	print_f("未经允许，不得转载!\n");
	cout << endl;
}
/////////////////////////////////
void clean_cmd() {
	view_this_cmd_informations();
}
/////////////////////////////////
